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With 43K on the 07 GT, I have stuck with the Metzelers. Avg about 9k on the front and 11k for the rear. All tire sets have worn evenly. Sorry I am am not much help. Is it windy where you ride? Might want to keep a right to left cross wind to even things out

Tire Wear

Originally Posted by mtnride

This past April, I purchased a 2009 K1300GT, and after putting 3500 miles on it, I found the back tire was wearing primarily on the left side, and was cupping as well. The service manager suggested a new tire. At that point in time, my bike had been at the dealership awaiting a left side switch assembly, as the left turn signal quit working. After checking the back tire on the loaner I had, which was also a K1300GT, with about 300 fewer miles on it than mine, I realized the rear tire was worn in an almost identical way: left side, and cupped. BMW, per the sales manager, claims "too many variables as regards tire wear" to replace the tire for me at their cost. Note, tire pressure maintained per specs, and no damage to my tire and same for the loaner. Both tires are factory installed Metzelers. Has anyone else had this problem? The dealership states they cannot tell if the swingarm is within specs or not. They think the problem is with the tire. By the way, my cruise didn't work when I picked up my bike and needs replacing and BMW states replace the right side also. I'm waiting for that switch at this time.

I have an '08 and my cousin an '07 K12GT, on a trip to Colorado both motorcycles had the same uneven wear on the left side of the front tire. I think there has to be something odd on the alignment of these motorcycles. I have pictures of both.

After reading the posts about uneven tire wear, I went out and re-examined mine. I'm showing no sign of uneven tire wear on either at the 6k point. The bike has done two long runs now, one to and in the GA/NC/TN mountains and one down to Key West, as well as a number of 300-400 mile MSTA day runs. Tires look like they will go at least another 5-6k.

Tire Wear on 2009 K1300GT

Tire wear on 09 KGT

First, thank you to all who posted their observations on tire wear. I haven't responded at all since 11-06-09 because someone very dear to me passed away 2 weeks before Christmas. I need now to get the
GT to the dealer and have to pick a tire. I'm hoping the problem was a combination of riding style (as you suggested) and brand. I will get a Michelin and see what happens. As far as the recalls go, I had the bike at the dealership from 8-21-09 to 10-2-09, (left turn quit) and they kept getting the wrong left switch assembly. Funny, when I picked it up, with the new assembly, the cruise didn't work. O well. Never did have a stall problem though. Again, thanks to everyone.